Construction Active

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Laurel Rd (Antioch). All lanes closed. Avoid the area. From 7:00 PM Monday, June 15, 2026 to 5:00 AM Tuesday, June 16, 2026.

A construction was reported on CA-4 W near Contra Costa on June 16, 2026 at 2:00 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Jun 15, 7:00 PM

Last Updated

4 minutes ago

Jun 16, 2:00 AM

Coordinates

37.9789, -121.7439

Update History

2 observations

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Laurel Rd (Antioch). All lanes closed. Avoid the area. From 7:00 PM Monday, June 15, 2026 to 5:00 AM Tuesday, June 16, 2026. Jun 15, 7:15 PM

Caltrans : Roadwork on CA-4 Westbound between Sand Creek Rd (Brentwood) and Laurel Rd (Antioch). All lanes closed. Avoid the area. From 7:00 PM Monday, June 15, 2026 to 5:00 AM Tuesday, June 16, 2026. Jun 15, 7:00 PM

Source: 511_sfbay · ID 511.org/1507563 First seen Jun 15, 2026 7:00 PM